Review Major Incident plans for interoperability
The Home Office, His Majesty's Inspectorate of Constabulary and Fire and Rescue Services, the College of Policing, the Fire Service College, the National Ambulance Resilience Unit, individual police services and JESIP should review what changes need to be made to the Major Incident plans and Counter Terrorism Policing Headquarters Operation Plato guidance in order to achieve the aims set out in R45.
How was this assessed?
Response
Accepted
Response
AcceptedThe Home Secretary made a written statement to Parliament on 3 November 2022 following publication of Volume 2, acknowledging the findings on emergency response failures and stating the government would work with emergency services to implement improvements. The response committed to reviewing interoperability arrangements between emergency services and strengthening joint training and exercising protocols for major incidents.
Progress Timeline
Within the context of Operation PLATO, CTPHQ have reviewed and updated the national guidance in light of the recommendations. This has been launched and all training has been completed. This work strand has been closed via Multi-Agency Governance January 2024.
Within the context of Operation PLATO, CTPHQ have reviewed and updated the national guidance in light of the recommendations. This has been launched and all training has been completed. This work strand has been closed via Multi-Agency Governance January 2024.
Published Evidence
Published assessments of implementation progress from inspectorates, select committees, official progress reports, and other sources. Check the source type badge to see whether each assessment is independent or government self-reported.
Government published formal Manchester Arena Inquiry recommendations dashboard on GOV.UK (14 November 2025) tracking all 149 recommendations with implementation progress updates.
Terrorism (Protection of Premises) Act 2025 received Royal Assent 3 April 2025. Creates two tiers: Standard Duty (200-799 capacity) and Enhanced Duty (800+). SIA will be regulator. Not yet in force -- at least 24 months before enforcement (expected April 2027).
JESIP Joint Doctrine updated to v3.1 (April 2024) following inquiry findings on interoperability failures. Operation Plato reformed to cover all terrorist attack types, not just firearms. Emphasis extended beyond command-level to frontline responders.
NPCC, Counter Terrorism Policing and College of Policing provided comprehensive updates to Sir John Saunders demonstrating "continued drive to improve collective response to terrorist incidents."
View detailed findings
Representatives working with UK Intelligence Community to address closed Volume Three recommendations. Cross-government monitoring ongoing.